The conditions for the appearance of a double layer are considered. A theoretical description of the latter is given. Based on experimental data on probe diagnostics of oxygen and helium plasmas, a self-consistent theory of the volume charge layer is being constructed. Analysis of the phenomenon of screening the probe potential by charged particles is carried out. The procedure used for correcting the particle temperature determined by the logarithmic operation method is presented. The problem of application of Langmuir probes, the 3/2 law, and of the theory of electric double layer in a plasma is discussed.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 90, No. 4, pp. 1059–1069, July–August, 2017.
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Gutsev, S.A. Toward the Theory of an Electric Double Layer in a Plasma. J Eng Phys Thermophy 90, 1010–1019 (2017). https://doi.org/10.1007/s10891-017-1651-5
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DOI: https://doi.org/10.1007/s10891-017-1651-5